128486589

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556219}}^1$

素因数の和:556240

約数の個数: 16

約数和(自身を含む): 213588480

約数和(自身を除く): 85101891

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556219, 1668657, 3893533, 6118409, 11680599, 18355227, 42828863, 128486589]

約数ペア:

[(1, 128486589), (3, 42828863), (7, 18355227), (11, 11680599), (21, 6118409), (33, 3893533), (77, 1668657), (231, 556219)]